Update vectors.md

add university course link

Author: mich-elle-luna

content/develop/interact/search-and-query/advanced-concepts/vectors.md

@@ -523,3 +523,7 @@ Here are some additonal resources that apply vector search for different use cas
 
 - [Retrieval augmented generation from scratch](https://github.com/redis-developer/redis-ai-resources/blob/main/python-recipes/RAG/01_redisvl.ipynb)
 - [Semantic caching](https://github.com/redis-developer/redis-ai-resources/blob/main/python-recipes/semantic-cache/semantic_caching_gemini.ipynb)
+
+## Continue learning with Redis University
+
+{{< university-links >}}